a = [1, 2, 3]
b = [4, 5, 6]
c = [7, 8, 9]

zipped = zip(a, b, c)

for x, y, z in zipped:
    print(x, y, z)

a = map(str, a)
for x in a:
    print(type(x))

print(a)
print(type(a))
